If the Atomic Number of an Element Is 9 and the Mass

question 26

Multiple Choice

If the atomic number of an element is 9 and the mass number is 19,how many neutrons does the atom have?

• A)10
• B)9
• C)19
• D)28

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Definitions:

Assembly Rate

The speed or rate at which a product is assembled, which can affect production efficiency and output.

Direct Labor Hours

The total hours worked by employees directly involved in the manufacturing process of a company's products.

Finishing Rate

The pace at which a production process or construction project is completed, often measured in units per hour or days per project phase.

Machine Hours

A measure of the amount of time a machine is operated, used in cost accounting to allocate expenses to products.